Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Atmospheric composition Metop Weather Data Meteosat Tags Africa SNPP VIIRS AVHRR MSG Metop Asia Date 2015 Date April SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 1 April 2015 23:00 UTC Spectrum of dust colours over Arabian Peninsula A dust storm formed rapidly over the Arabian peninsula on 1 April.